Finite Group Databasebeta

C17×D21⋊D21 #44472967

order29988
automorphism?
homologyAbelianization (H1) = C22×C17 · Schur multiplier (H2) = C2

Aliases

direct productC17×D21⋊D21
unambiguous semidirect productD21⋊(C17×D21)

Splittings

Fitting, socle, HallC32×C72×C17 ⋊ C22
derived, HallC32×C72 ⋊ C22×C17
HallC72×C17 ⋊ D32
HallC32×C17 ⋊ D72
SylowC72 ⋊ D32×C17
SylowC32 ⋊ D72×C17

Subgroups

subgroupG/H
center, hypercenterC17D21⋊D21
commutator, cosocle, hypocenterC32×C72C22×C17
FrattiniC1G
Fitting, socleC32×C72×C17C22
LCSG ▷ C32×C72
UCSC1 ◁ C17

230 conjugacy classes of subgroups; only the 50 normal subgroups are shown.

normal subgroups only

This group has 230 conjugacy classes of subgroups — too many to draw. Only its 50 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1428

Conjugacy classes & character table

2295 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(29988, 608);